[asterisk-bugs] [Asterisk 0011848]: Incorrect dialog matching and requests on blind transfer

[noreply at bugs.digium.com]

A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=11848 
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Reported By:                greyvoip
Assigned To:                
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Project:                    Asterisk
Issue ID:                   11848
Category:                   Channels/chan_sip/Transfers
Reproducibility:            always
Severity:                   trivial
Priority:                   normal
Status:                     new
Asterisk Version:           1.4.17 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             01-26-2008 08:05 CST
Last Modified:              07-03-2008 12:00 CDT
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Summary:                    Incorrect dialog matching and requests on blind
transfer
Description: 
Two problems were noticed with Asterisk SIP handling when a blind transfer
takes place. The problems are relatively trivial and do not affect the
transfer completing, this bug is being logged for completeness.

The first issue is that after the REFER request has been processed the
first NOTIFY is sent by Asterisk and the response to that NOTIFY request is
not matched and the request is re-transmitted until timeout. Subsequent
NOTIFY requests do get macthed correctly so the issue only applies to the
very first NOTIFY sent.

The BYE request generated by Asterisk to hangup the original call has the